Sterling Silver Smoky Quartz Brooch/Pin

Gorgeous early 20th century bar pin created from sterling silver with huge smoky quartz front and center. At least 5 carats, this smoky quartz stone measures 2cm by 1 1/2 cm! The sterling has a ribbon design and the prong-setting of the stone is completely fabulous, with a lovely floral pattern echoing the floral . In excellent condition. Unsigned; acid tests sterling. The pin measures 2 1/2" by a bit over 1/2".